Studies, in Which Researchers Compare the Behavior of Identical Twins

question 39

Multiple Choice

Studies, in which researchers compare the behavior of identical twins raised apart with the behavior of twins raised in the same household, are often used to study human behaviors. What types of behavior questions are best addressed by such research using human twins?

• A) questions about the influence of genetics and environment on behavior
• B) questions about the evolution of culture
• C) questions about the influence of geographic location on behavior
• D) questions about the role of diet on behavior

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Definitions:

Genotype

The genetic makeup of an organism, consisting of both the visibly expressed traits and those not readily observable.

Short-Haired

Describing organisms or individuals having relatively short fur or hair.

Dihybrid Crosses

Genetic crosses that track the inheritance of two different traits, demonstrating independent assortment of genes.

Monohybrid Crosses

Genetic crosses involving one trait, used to study the inheritance of single-gene differences from one generation to the next.